[Bug 2128899] Re: Software & Updates don't refflect sources.list.d folder content

[Levan Chelidze]

Please forgive me my not proficient knowledge (I'm not a expert here,
just trying to use ubuntu as a daily)

What i don't understand is that when i try to clean up my software source location why doesn't it delete the software source files.
>From my experience when i delete it from gui the system is still trying to check the source that is in sources.list.d folder.
You can see in the video where i don't have steam in my software sources but it's in sources.list.d folder and it simply works it gets updates and everything.
However most probably i was trying to remove steam and than re installed it and never noticed that gui doesn't contains that even though i though i removed it.
For example i was upgrading from ubuntu 24.10 and had it's version of wine source added, after upgrading to 25.04 i was getting errors from wine update. 
Where i noticed that even though i removed it to gui and added 25.04 source it was still calling to 24.10
So what is the problem of just deleting the file from sources.list.d when i delete it from the gui.
The video shows that if i do it than the source gets added as expected for a user like me.
I love clean desk policy and like to delete unused sources turns out that i wasn't actually doing anything just only on visual side this is post made me relies this https://discourse.ubuntu.com/t/how-to-deal-with-third-party-sources-after-upgrade/68895?u=levan

** Attachment added: "example video"
   https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/2128899/+attachment/5919552/+files/Screencast%20From%202025-10-21%2020-57-53.mp4

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https://bugs.launchpad.net/bugs/2128899

Title:
  Software & Updates don't refflect sources.list.d folder content

Status in software-properties package in Ubuntu:
  Triaged

Bug description:
  This is a problem for some time now where you delete something from software and update app but in reality ubuntu actually uses that source because there is a file in source.list.d folder for example i deleted mesa ppa from the app but in that folder there are those source files.
  There are old wine sources in that file and steam source even though i don't see it in software and update app.
  This is a issue where adding or removing sources from the app doesn't works as expected.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: software-properties-gtk 0.114
  ProcVersionSignature: Ubuntu 6.17.0-5.5-generic 6.17.0-rc7
  Uname: Linux 6.17.0-5-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Oct 18 21:11:48 2025
  InstallationDate: Installed on 2024-09-03 (410 days ago)
  InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to questing on 2025-10-07 (11 days ago)

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